In this tutorial, we learn how to change the engine and oil filter on a Mercedes car. First, find the oil drain plug underneath the car. Remove this, then let it drain into a pan until it's finished leaking out. From here, you will place the drain plug back on, then fill up the vehicle with the correct type of oil from the hood of the car. Then, find where the oil filter is and remove it from the car. Place in the new filter, then tighten all bolts you removed. Check the level in the car to make sure there's enough oil, then you are finished!